After years of trial and error, scientists have finally done something incredible: They have successfully grown human stem cells in a pig embryo. Why would anyone do this? Turns out, many ...

Today, Garry and her husband Dan, a transplant cardiologist, are pioneers in the field of interspecies chimera research, the study of organisms containing cells from two different species. Their team ...

Chimera kittens are a single cat that is comprised ... Experts aren't exactly sure how many chimeras there are in the world.

An international team of researchers has created embryos containing both human and monkey cells, the Spanish newspaper El País reported July 31. The controversial project was conducted in China, ...

Blade Chimera boasts several boss fights against so-called Titan demons. These almost always come in two phases: first against a massive beast and then against its more humanoid counterpart.